Integrated optical transducers

Optics: measuring and testing – Range or remote distance finding – With photodetection

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350 9612, 356345, G02B 5174

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active

045154309

ABSTRACT:
An integrated optical transducer includes a single mode input optical waveguide, two single mode optical waveguide branches having different physical lengths, and a single mode output optical waveguide. When used as a transducer, the optical path lengths of the waveguide branches are dependent on the physical quantity measured. A plurality of such transducer elements may be used jointly to provide a binary output of high sensitivity and wide range of measurement. The waveguide element may also be used as an optical pulse source.

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